2026 Forest River Sierra 4002FB

New Fifth Wheel in Murrieta, California, 92562

$78,999.00

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New 2026 Forest River Sierra 4002FB available in Murrieta, California

2026 Forest River Sierra 4002FB - New Fifth Wheel For Sale by Giant RV in Murrieta, California

2026 Sierra 4002FB by Forest River from Giant RV in Murrieta, California

Unit Specs

Stock #FSI176
Year2026
ManufacturerForest River
Make Forest River
ModelSierra
Floorplan4002FB
Type Fifth Wheel
ConditionNew
VIN4X4FSES26TJ054685
MSRP $108,349.30
Price $78,999.00
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Looking to buy a 2026 Forest River Sierra Fifth Wheel RV?

2026 Forest River Sierra 4002FB

Get ready for spacious family retreats with the 2026 Forest River Sierra 4002FB Fifth Wheel at Giant RV in California, a 43’5” luxury RV sleeping up to 6, featuring two queen bedrooms, a loft for extra space, a kitchen island for meal prep, and two full bathrooms to refresh. With four slide-outs and a 50-gal freshwater tank, it’s built for epic California RV camping!

Front Bedroom: Queen bed for luxury camping comfort
Rear Bedroom: Queen bed for California RV camping privacy
Central Loft: Double bunk loft for RV adventure flexibility
Gourmet Kitchen: Kitchen island, 16.8 cu. ft. fridge for RV camping

2026 Forest River Sierra 4002FB Features

2026 Forest River Sierra 4002FB Specifications

Dimensions

Height

13' 4"

Length

43' 5"

Width

8' 0"

Weights

Dry Weight

12,889 lbs

GVWR

15,500 lbs

Hitch Weight

2,340 lbs

Payload Capacity

2,611 lbs

Capacities

Refrigerator Capacity

16 cu ft

Sleep Capacity

Water Capacity - Black

100 gal

Water Capacity - Fresh

50 gal

Water Capacity - Grey

100 gal

Exterior

# Awnings

# Axles

# Doors

# Slides

Hitch

Fifth Wheel

Electrical

# A/C

A/C Spec

Dual ducted 15k BTU Air Conditioners, prepped for 3rd 15k BTU A/C

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.